*{
    margin: 0;
    padding:0;
}
/* 导航 */


.right_top_logo{
    width: 34px;
    height: 34px;
    margin-top:10px;
    border-radius:100%;
    background: blue;
    line-height: 34px;
    color:#fff;
    font-size: 12px;
    text-align: center
}
/* 背景 */
.list_box>p{
    font-size: 40px;
    font-weight: 粗体;
}
.list_header>li{
float: left;
font-size: 22px;
margin: 20px 20px 5px

}
.list_header>li:last-child{
   clear: both;
}

/* 加入H5游戏行业的价值*/
.hover_box{
    width: 140px;
    height: 140px;
    background-image: url(../img/worth-bg1.png);
    background-size: 100% 100%;
}
.hover_box11{
    width: 140px;
    height: 140px;
    background-image: url(../img/worth-bg11.png);
    background-size: 100% 100%;
}



/* 课程优势  */
.box_three{
    width: 100%;
    height: 500px;
background-image: url(../img/advantage-bg.png);
   background-size:100% 100%;
}
.list_pp{
    color:#fff;
    margin-bottom:100px;
    border-top:2px solid #fff;
    padding-top:5px
}
tr:nth-child(2n+1){
    background: gray;
}
